Synthesis and optical properties of poly[3-(2-methoxyphenyl)thiophene] nanowires confined in porous anodic alumina membrane

Synthesis and optical properties of poly[3-(2-methoxyphenyl)thiophene] nanowires confined in porous anodic alumina membrane
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多孔阳极氧化铝膜约束聚[3-(2-甲氧基苯基)噻吩]纳米线的合成及光学性能

DOI:
10.1016/j.optmat.2007.12.008
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发表时间:
2008-08
期刊:
影响因子:
3.9
通讯作者:
--
中科院分区:
材料科学3区
文献类型:
--
作者:

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以不同直径的阳极氧化铝(AAO)膜为模板,采用电化学沉积法制备了聚[3-(2-甲氧基苯基)噻吩](PMP-Th)纳米线阵列。利用透射电子显微镜(TEM)和扫描电子显微镜(SEM)对纳米线和PMP-Th/AAO复合材料的形貌进行了表征。利用红外光谱和紫外-可见吸收光谱对AAO中PMP-Th纳米线的结构和光学性质进行了表征。光致发光(PL)谱表明,与Pt上电聚合的膜相比,AAO中的PMP-Th纳米线呈现出明显的蓝移和强度增强,这归因于AAO向PMP-Th分子的Föster能量转移。
Poly[3-(2-methoxyphenyl)thiophene] (PMP-Th) nanowires array was fabricated by electrochemical deposition method using anodic aluminum oxide (AAO) membrane with various diameters as template. Transmission electron microscopy (TEM) and scanning electron microscopy (SEM) were employed to characterize the morphologies of the liberated nanowires and the PMP-Th/AAO composite. The detailed structure and optical property of the PMP-Th nanowires in AAO were characterized by FT-IR and UV–vis absorption spectroscopy. Photoluminescence (PL) spectra showed that the PMP-Th nanowires in AAO exhibit an obvious blue-shift and great intensity enhancement compared to the film electropolymerized on Pt which is attributed to Föster energy transfer from AAO to PMP-Th molecule.
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